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Re: [SPAM] Re: QSD Models

 

Hi Phil,

25% does not seem to be a magical number. I changed R1,R2,R6 and R7 in the original model from 200 to 100 Ohms, and the optimal on-time changed to17%.


73 Alex VE3NEA

I have built a model of the single switch mixer and get the same result. The
conversion loss is lowest when the on time is 25%.
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